What is CVE-2023-5760?

CVE-2023-5760 is a high-severity vulnerability in Avast Avg_antivirus, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.2/10. Published 2023-11-08.

How severe is CVE-2023-5760?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Avast Avg_antivirus

CVE-2023-5760

A time-of-check to time-of-use (TOCTOU) bug in handling of IOCTL (input/output control) requests. This TOCTOU bug leads to an out-of-bounds write vulnerability which can be further exploited, allowing an attacker to gain full local privile…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.002 (8.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Avast Avg_antivirus — versions 23.8
Avast/avg Antivirus — versions 23.8

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

security@nortonlifelock.com (Third Party Advisory)

Frequently asked questions

What is CVE-2023-5760?: CVE-2023-5760 is a high-severity vulnerability in Avast Avg_antivirus, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.2/10. Published 2023-11-08.
How severe is CVE-2023-5760?: High severity. CVSS v3 base score is 8.2 out of 10.